8     let m = Command::new("config")  in empty_values()
9         .arg(Arg::new("config").long("config").action(ArgAction::Set))  in empty_values()
10         .try_get_matches_from(["config", "--config", ""])  in empty_values()
12     assert_eq!(m.get_one::<String>("config").map(|v| v.as_str()), Some(""));  in empty_values()
17     let m = Command::new("config")  in empty_values_with_equals()
18         .arg(Arg::new("config").long("config").action(ArgAction::Set))  in empty_values_with_equals()
19         .try_get_matches_from(["config", "--config="])  in empty_values_with_equals()
21     assert_eq!(m.get_one::<String>("config").map(|v| v.as_str()), Some(""));  in empty_values_with_equals()
23     let m = Command::new("config")  in empty_values_with_equals()
24         .arg(Arg::new("config").short('c').action(ArgAction::Set))  in empty_values_with_equals()
25         .try_get_matches_from(["config", "-c="])  in empty_values_with_equals()
27     assert_eq!(m.get_one::<String>("config").map(|v| v.as_str()), Some(""))  in empty_values_with_equals()
32     let m = Command::new("config")  in no_empty_values()
34             Arg::new("config")  in no_empty_values()
35                 .long("config")  in no_empty_values()
39         .try_get_matches_from(["config", "--config", ""]);  in no_empty_values()
43     let m = Command::new("config")  in no_empty_values()
45             Arg::new("config")  in no_empty_values()
50         .try_get_matches_from(["config", "-c", ""]);  in no_empty_values()
57     let m = Command::new("config")  in no_empty_values_with_equals()
59             Arg::new("config")  in no_empty_values_with_equals()
60                 .long("config")  in no_empty_values_with_equals()
64         .try_get_matches_from(["config", "--config="]);  in no_empty_values_with_equals()
68     let m = Command::new("config")  in no_empty_values_with_equals()
70             Arg::new("config")  in no_empty_values_with_equals()
75         .try_get_matches_from(["config", "-c="]);  in no_empty_values_with_equals()
82     let m = Command::new("config")  in no_empty_values_without_equals()
84             Arg::new("config")  in no_empty_values_without_equals()
85                 .long("config")  in no_empty_values_without_equals()
89         .try_get_matches_from(["config", "--config"]);  in no_empty_values_without_equals()
93     let m = Command::new("config")  in no_empty_values_without_equals()
95             Arg::new("config")  in no_empty_values_without_equals()
100         .try_get_matches_from(["config", "-c"]);  in no_empty_values_without_equals()
108     let cmd = Command::new("config").arg(  in no_empty_values_without_equals_but_requires_equals()
109         Arg::new("config")  in no_empty_values_without_equals_but_requires_equals()
110             .long("config")  in no_empty_values_without_equals_but_requires_equals()
115     let m = cmd.clone().try_get_matches_from(["config", "--config"]);  in no_empty_values_without_equals_but_requires_equals()
121         "error: equal sign is needed when assigning values to '--config=<config>'  in no_empty_values_without_equals_but_requires_equals()
123 Usage: config [OPTIONS]  in no_empty_values_without_equals_but_requires_equals()
128     utils::assert_output(cmd, "config --config", NO_EUQALS_ERROR, true);  in no_empty_values_without_equals_but_requires_equals()